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Mary Barrett — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Barrett across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Margaret — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Barrett |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Teller |
| Industry | Post Office Credit Union |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 950 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teller |
| Township / Ward | Boston City |
| Est. Birth Year | ~1918 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Barrett | Daughter | — | 15 | ~1925 |
| Mary Barrett | Daughter | — | 22 | ~1918 |
| Rita Barrett | Daughter | — | 19 | ~1921 |
| Margaret Barrett | Head | — | 53 | ~1887 |
| John Barrett | Son | — | 12 | ~1928 |
| William Barrett | Son | — | 20 | ~1920 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 1
Suffolk, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 12
Suffolk, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 22
Suffolk-County, Massachusetts · implied b. ~1918 — 6 household members
| Surname | Barrett |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Teller |
| Industry | Post Office Credit Union |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 950 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Barrett across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Barrett (~0.92 confidence) and mother Margaret Barrett (~0.92 confidence) and father Edward Barrett (~0.92 confidence) and mother Loretta Barrett (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Barrett
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Margaret Barrett
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Edward Barrett
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Loretta Barrett
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Barrett
Daughter · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Margaret Barrett
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Barrett
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Barrett
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Barrett
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01682-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beatrice C. O'Brien | 57 | Head | Clerk | Massachusetts |
| 2 | Catherine M. O'Brien | 28 | Daughter | Clerk | Massachusetts |
| 3 | Bertha N. O'Brien | 24 | Daughter | Clerk | Massachusetts |
| 4 | Joseph Kondratowicz | 41 | Head | Baker | Poland |
| 5 | Rose Kondratowicz | 34 | Wife | Stitcher | Massachusetts |
| 6 | George H. Beers | 46 | Head | Guard | Massachusetts |
| 7 | Anna M. Beers | 44 | Wife | — | Massachusetts |
| 8 | George H. Jr. Beers | 16 | Son | — | Massachusetts |
| 9 | William O'Toole | 65 | Head | Carpenter | Ireland |
| 10 | Mary O'Toole | 66 | Wife | — | Ireland |
| 11 | Paul E. Weiner | 39 | Head | Asst. Superintendent | France |
| 12 | Matilda Weiner | 36 | Wife | — | France |
| 13 | Madeline Weiner | 11 | Daughter | — | Massachusetts |
| 14 | Paul Weiner | 10 | Son | — | Massachusetts |
| 15 | Nancy Weiner | 8 | Daughter | — | Massachusetts |
| 16 | Richard Lawless | 40 | Head | Gardening | Ireland |
| 17 | Julia Lawless | 45 | Wife | — | Ireland |
| 18 | Mary T. Lawless | 10 | Daughter | — | Massachusetts |
| 19 | Winifred A. Lawless | 8 | Daughter | — | Massachusetts |
| 20 | Richard J. Lawless | 5 | Son | — | Massachusetts |
| 21 | James P. Lawless | 4 | Son | — | Massachusetts |
| 22 | Henry W. Leland | 81 | Head | Watchman | Illinois |
| 23 | Helen M. Leland | 40 | Daughter | Stenographer | Newton |
| 24 | James White | 28 | Head | Machinist | Massachusetts |
| 25 | Margaret S. White | 24 | Wife | — | Massachusetts |
| 26 | James Jr. White | 1 | Son | — | Massachusetts |
| 27 | Edward F. Mcgee | 45 | Head | Policeman | Massachusetts |
| 28 | Alice E. Mcgee | 42 | Wife | — | Massachusetts |
| 29 | Alice T. Mcgee | 10 | Daughter | — | Massachusetts |
| 30 | Agnes A. Mcgee | 9 | Daughter | — | Massachusetts |
| 31 | Edward F. Mcgee | 8 | Son | — | Massachusetts |
| 32 | Margaret Barrett | 53 | Head | — | Ireland |
| 33 | Mary E. Barrett THIS PERSON | 22 | Daughter | Teller | Massachusetts |
| 34 | William P. Barrett | 20 | Son | Enrollee | Massachusetts |
| 35 | Rita Barrett | 19 | Daughter | New Worker | Massachusetts |
| 36 | Margaret Barrett | 15 | Daughter | — | Massachusetts |
| 37 | John Barrett | 12 | Son | — | Massachusetts |
| 38 | Matthew J. Corbett | 28 | Head | Clerk | Scotland |
| 39 | Georgia M. Corbett | 28 | Wife | Floor Lady | Canada English |
| 40 | Barbara M. Corbett | 1 | Daughter | — | Massachusetts |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)